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Append IF NOT EXISTS to deparsed CREATE SERVER commands (#3875) 

Append IF NOT EXISTS to CREATE SERVER commands generated by
pg_get_serverdef_string function when deparsing an existing server
object that a foreign table depends.
pull/3874/head
Onur Tirtir 2020-06-05 18:04:33 +03:00 committed by GitHub
parent 741e808049
commit 8b39d12846
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 3 additions and 2 deletions
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3
src/backend/distributed/deparser/citus_ruleutils.c
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@ -173,7 +173,8 @@ pg_get_serverdef_string(Oid tableRelationId)
StringInfoData buffer = { NULL, 0, 0, 0 };
initStringInfo(&buffer);
appendStringInfo(&buffer, "CREATE SERVER %s", quote_identifier(server->servername));
appendStringInfo(&buffer, "CREATE SERVER IF NOT EXISTS %s",
quote_identifier(server->servername));
if (server->servertype != NULL)
{
appendStringInfo(&buffer, " TYPE %s",

2
src/test/regress/expected/multi_generate_ddl_commands.out
View File

@ -163,7 +163,7 @@ SELECT master_get_table_ddl_events('renamed_foreign_table');
NOTICE: foreign-data wrapper "fake_fdw" does not have an extension defined
master_get_table_ddl_events
---------------------------------------------------------------------
CREATE SERVER fake_fdw_server FOREIGN DATA WRAPPER fake_fdw
CREATE SERVER IF NOT EXISTS fake_fdw_server FOREIGN DATA WRAPPER fake_fdw
CREATE FOREIGN TABLE public.renamed_foreign_table (id bigint NOT NULL, rename_name character(8) DEFAULT ''::text NOT NULL) SERVER fake_fdw_server OPTIONS (encoding 'utf-8', compression 'true')
ALTER TABLE public.renamed_foreign_table OWNER TO postgres
(3 rows)